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Each organism in a population produces more offspring than can survive. This is called . In order for natural selection to occur, populations must have . When the environment changes, nature selects favorable
answered
Jul 19, 2019
Biology
middle-school
2
votes
174k
views
What are the rate of growth or decay, r, and the initial amount, A?
answered
May 21, 2019
Mathematics
middle-school
3
votes
14.1k
views
What is the coefficient of the fourth term in the expression? 5 − 10x + 15y − 20xy A) − B) 20 C) −20 D) −20xy
answered
Mar 30, 2019
Mathematics
middle-school
5
votes
201k
views
Now you need to put handles on your cookware! You have five different options, including metals and nonmetals such as wood. Based on specific heat, which material would be the best choice?
answered
Mar 19, 2019
Physics
high-school
3
votes
62.8k
views
A geneticist studying fruit flies hypothesizes that short wings are a recessive trait coded for by a single gene. which observation is most likely to have led her to form this hypothesis? flies with long
answered
Feb 13, 2019
Biology
high-school
5
votes
37.7k
views
What is the equivalent fractions between 4/7and3/5
answered
Sep 28, 2018
Mathematics
college
4
votes
41.1k
views
Given a circle with measures of (C, d, and r) and a circle with measures of (C', d', and r'), what is r' if C C' = 3.0 and d = 12.0?
answered
Sep 25, 2018
Mathematics
middle-school
6
votes
74.3k
views
Why is it important to make sure you are following instructions when compounding meds?
answered
Sep 11, 2018
Health
college
3
votes
86.4k
views
The scientists who provided information about the events in the radio broadcast of the war of the worlds established
answered
Aug 29, 2018
English
high-school
4
votes
153k
views
What are the dimensions of a 15 foot by 10 foot room on a blueprint with a scale of 1.5 inches: 2 feet?
answered
Jul 7, 2018
Mathematics
middle-school
2
votes
203k
views
Ross is analyzing a circle , y^2+x^2=64 and a linear function g(x), will they intersect ? X. G(x) -1. -4.5 0. -4 1. -3.5 Yes at positive x coordinates Yes at negative x coordinates Yes at positive and
answered
Mar 15, 2018
Mathematics
high-school
2
votes
229k
views
You have to write a research essay on human trafficking. What resource could be used as a primary source document in your research?
answered
Oct 2, 2017
English
high-school
4
votes
178k
views
Hilary arrived home from school one afternoon and decided she needed a snack. Which of the following would be the best choice if she is trying to pick the most sustainable snack option? A.A bowl of ice
answered
Jul 29, 2017
Health
high-school
3
votes
12.6k
views
Which of the following Arab countries was attacked by its northern neighbor, Iraq, in 1990? Saudi Arabia Yemen Kuwait Lebanon
answered
Jul 22, 2017
History
high-school
4
votes
69.3k
views
Iola has $75. She buys a pair of shoes on sale for one-half off and a pair of socks for $6. She has $32 left. Which equation can be used to find x, the regular price of the shoes? a. x + 6 + 32 = 75 b.
answered
Jun 17, 2017
Mathematics
high-school
5
votes
21.3k
views
Nine friends order 4 large pizzas. Four of the friends share 2 pizzas equally and the other 5 share 2 pizza equally. In which group does each member get a greater amount of pizza?
answered
Jan 15, 2017
Mathematics
middle-school
4
votes
231k
views
How are steroids suited to the function of the membrane ?
answered
Jun 25, 2016
Biology
high-school
1
vote
202k
views
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